1986 TOYOTA SUPRA engine oil

25
Position of Parts in Engine Compartment
[2JZ±GTE]
I 1 Idle Air Control Valve (ISC Valve) R 1Radiator Fan Motor
I 2 Igniter R 2Radiator Fan Relay No. 1
I 3 Igniter R 3Radiator Fan Relay No. 2
I 6 Ignition Coil No. 1
I 7 Ignition Coil No. 2 S 1 SFI Resistor (EFI Resistor)
I 8 Ignition Coil No. 3 S 2Starter
I 9 Ignition Coil No. 4 S 3Starter
I 10 Ignition Coil No. 5 S 4 Sub Throttle Actuator
I 11 Ignition Coil No. 6 S 5 Sub Throttle Position Sensor
I 12 Injector No. 1
I 13 Injector No. 2 T 1 Theft Deterrent Horn
I 14 Injector No. 3 T 2 Throttle Position Sensor
I 15 Injector No. 4 T 3 Traction Brake Actuator
I 16 Injector No. 5 T 4 Traction Pump and Motor
I 17 Injector No. 6 T 14 Turbo Pressure Sensor
K 1 Knock Sensor (on Front Side) V 2 VSV (for EGR)
K 2 Knock Sensor (on Rear Side) V 3 VSV (for EVAP)
V 4 VSV (for Exhaust Bypass Valve)
M 1 Mass Air Flow (Air Flow Meter) V 5 VSV (for Exhaust Gas Control Valve)
V 6 VSV (for Fuel Pressure Up)
N 1 Noise Filter V 7 VSV (for Intake Air Control Valve)
V 8 VSV (for Waste Gate Valve)
O 1 O/D Direct Clutch Speed Sensor V 10 Vehicle Speed Sensor (Speed Sensor) No. 1 (for
O 2 Oil Pressure SW Combination Meter)
V 11 Vehicle Speed Sensor (Speed Sensor) No. 2 (for
P 1 PPS Solenoid Electronically Controlled Transmission)
P 2 Park/Neutral Position SW (Neutral Start SW),
Back±Up Light SW and A/T Indicator Light SW W 1 Washer Motor
(for A/T)

26
ELECTRICAL WIRING ROUTING
Position of Parts in Engine Compartment
[2JZ±GE]
A 1 A/C Ambient Temp. Sensor E 2 Electronically Controlled Transmission Solenoid
A 3 A/C Dual Pressure SW E 3 Engine Coolant Temp. Sensor (EFI Water Temp.
A 4 A/C Magnetic Clutch and Lock Sensor Sensor)
A 5 A/T Fluid Temp. Sensor E 4 Engine Coolant Temp. Sender (Water Temp.
A 6 ABS Actuator Sender)
A 7 ABS Actuator E 6 Engine Hood Courtesy SW
A 8 ABS Relay E 7 Engine Oil Level Sensor
A 9 ABS Relay
A 10 ABS Speed Sensor Front LH F 1 Front Airbag Sensor LH
A 11 ABS Speed Sensor Front RH F 2 Front Airbag Sensor RH
F 3 Front Fog Light and Parking Light LH
B 1 Back-Up Light SW (for M/T) F 4 Front Fog Light and Parking Light RH
B 2 Brake Fluid Level Warning SW F 5 Front Side Marker Light LH
F 6 Front Side Marker Light RH
C 4 Cruise Control Actuator F 7 Front Turn Signal Light LH
F 8 Front Turn Signal Light RH
D 1 Data Link Connector 1 (Check Connector) F 9 Front Wiper Motor
D 4 Distributor
G 1 Generator (Alternator)
E 1 EGR Gas Temp. Sensor G 2 Generator (Alternator)

27
Position of Parts in Engine Compartment
[2JZ±GE]
H 1 Headlight Hi LH O 2 Oil Pressure SW
H 2 Headlight Hi RH O 3 Oxygen Sensor (Except California on Front Side)
H 3 Headlight Lo LH O 4 Oxygen Sensor (Except California on Rear Side)
H 4 Headlight Lo RH
H 8 Horn LH P 1 PPS Solenoid
H 9 Horn RH P 2 Park/Neutral Position SW (Neutral Start SW),
Back±Up Light SW and A/T Indicator Light SW
I 1 Idle Air Control Valve (ISC Valve) (for A/T)
I 4 Igniter P 3 Power Steering Pressure SW
I 5 Ignition Coil
I 12 Injector No. 1 S 2 Starter
I 13 Injector No. 2 S 3 Starter
I 14 Injector No. 3
I 15 Injector No. 4 T 1 Theft Deterrent Horn
I 16 Injector No. 5 T 2 Throttle Position Sensor
I 17 Injector No. 6
V 1 VSV (for ACIS)
K 1 Knock Sensor (on Front Side) V 2 VSV (for EGR)
K 2 Knock Sensor (on Rear Side) V 3 VSV (for EVAP)
V 6 VSV (for Fuel Pressure Up)
M 2 Main Heated Oxygen Sensor V 10 Vehicle Speed Sensor (Speed Sensor) No. 1
(for California on Front Side) (for Combination Meter)
M 3 Main Heated Oxygen Sensor V 11 Vehicle Speed Sensor (Speed Sensor) No. 2
(for California on Rear Side) (for Electronically Controlled Transmission)
V 12 Volume Air Flow (Air Flow Meter)
N 1 Noise Filter
W 1 Washer Motor

45
Rear Window
Defogger Relay 10A TAIL
10A PANEL
10A GAUGE
15A SEAT±HTR
Ignition Coil No. 110A MIR±HTR
Engine Control
Module (Engine
and Electronically
Controlled
Transmission ECU)
7.5A RAD No. 2
15A CIG
7.5A ST
20A WIPER
7.5A TURN
10A ECU±IG
7.5A HTR
Ignition Coil No. 2
Ignition Coil No. 3
Ignition Coil No. 4
Ignition Coil No. 5
Ignition Coil No. 6
SFI Resistor
(EFI Resistor)
(2JZ±GTE)
Igniter
Noise Filter
(2JZ±GE)
(Canada) (2JZ±GTE)
(2JZ±GE)
(2JZ±GTE)
Igniter
Injector No. 1
Injector No. 2
Injector No. 3
Injector No. 4
Injector No. 5
Injector No. 6
Igniter
Ignition Coil
Noise Filter
(4): R/B No. 5 (See page 20)
23

48
POWER SOURCE (Current Flow Chart)*1: (FOR CANADA)
*2: (FOR USA)
*Page Nos. of
Related Systems
Parts
Code or
Location
CB or Fuse
Location
96
164
220
Daytime Running Light
Relay (Main)
D6
* These are the page numbers of the first page on which the related system is shown.
The part indicated is located somewhere in the system, not necessarily on the page indicated here.


7.5A HTR
7.5A IGN
7.5A RAD No. 2
7.5A ST
7.5A TURN
10A ECU±B
10A ECU±IG
10A GAUGE
10A MIR±HTR
10A PANEL
10A TAIL
15A CIG
15A SEAT±HTR
15A STOP
20A WIPER
30A DEFOG
30A DOOR
7.5A ALT±S
7.5A DOME
7.5A DRL
7.5A TRAC
15A FOG
15A HAZ±HORN
15A HEAD (LH) *2
15A HEAD (LH±LWR) *1
15A HEAD (LH±UPR) *1
15A HEAD (RH) *2
15A HEAD (RH±LWR) *1
15A HEAD (RH±UPR) *1
20A RAD No. 1
30A ABS No. 2
30A EFI No. 1
30A EFI No. 2
30A FAN
50A HTR
50A MAIN
60A ABS No. 1
60A POWERD7 D8 D10 D11 D12 E2 E4 E5 E7 E8 E9 E10 F3 F4 F5 F6 F7 F8 F9 11 870
82118 118 118 140 220 228 220 112 60
70
140 64
82
150
70
82
140
150
228102
106102
106102 102 111 111 126
Diode (for Interior Light)
Diode (for Idle±Up)
Door Courtesy SW LH
Door Courtesy SW RH
Door Key Lock and
Unlock SW LH
Electronically Controlled
Transmission Solenoid
Engine Coolant Temp. Sender
(Water Temp. Sender)
Engine Coolant Temp. SW
(Water Temp. SW)
Engine Oil Level Sensor
Electronically Controlled
Transmission Pattern
Select SW
Engine Control Module
(Engine and Electronically
Controlled Transmission
ECU)
Front Fog Light and Parking
Light LH
Front Fog Light and Parking
Light RH
Front Side Marker Light LH
Front Side Marker Light RH
Front Turn Signal Light LH
Front Turn Signal Light RH
Front Wiper Motor
[LOCATION](1): J/B No. 1 (See page 20)(2): R/B No. 2 (See page 19)(3): R/B No. 4 (See page 23)
20 22
23

65
2 1 IGNITION
COIL
21
1234
A 77 76 57 58 27 26 25 734519
A B B±WB±O B±O B±O
B±O
B±O B±O
B±W
B±W
B±RB±W
B±O B±O B
R
W
G
BR R±Y R±W B±WB
BR
(
A/T)
(
A/T)
(
SHIELDED)
+B EXT C±
STA NSW IGT IGF NE G1 G2 G±NE G1 G2 G± IGF IGTNOISE
FILTER IG±TO TACHOMETER
[COMB. METER]
DATA LINK
CONNECTOR 1
(
CHECK
CONNECTOR)
DISTRIBUTOR IGNITER
ENGINE CONTROL MODULE
(
ENGINE AND ELECTRONICALLY
CONTROLLED TRANSMISSION ECU)JUNCTION
CONNECTOR 21
ED EC I20
E22 IJ1 9IJ11
II1 29
D1
N1
J2
E9I4
D4I5
E28
B±W

75
*
1 : ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU
2 1
2 1
2 1
E14E16 E16 E16 E16
E16E16
B 46 B 24 B 44 B 63 B 42 B 41 B43 B64
B 27 B 7 B 5 B 25 B 6 B 26 1234 4321
12 13 A A A
A
A
13 8 4
15
19 A A A
A
A
+B FPE1 G1 G1± G2 G2± NE± NE
B LG Y±L L±R BR±BBR±B BR±B BR±B
GR±R BR±B
L±R
L±R B±R
B±RBR R±LBRWR±L
L±RBR
WL±R
Y
R
Y±L
GR±R
L±Y
O
BR±YBR±B BR±BBR±B GR±RY±L BR±BRY
OX2 OX1TE1 VF1 VCC VTA1 IDL1 VTA2 IDL2 THW OIL THG
(
SHIELDED)(
SHIELDED)
(
SHIELDED) (
SHIELDED)
(
SH IELD ED) (
SHIELDED)
E1 A5 E3
EGR GAS TEMP. SENSOR A/T FLUID TEMP. SENSOR ENGINE COOLANT TEMP. SENSOR
(
EFI WATER TEMP. SENSOR)
D1
DATA LINK CONNECTOR 1
(
CHECK CONNECTOR)IG± ENGINE CONTROL MODULE(
*1) A E9 ,E10B
TO TRACTION
ECUL±R
THROTTLE POSITION
SENSOR T2
SUB THROTTLE
POSITION SENSOR S5
BRE13
B±R
JUNCTION
CONNECTOR J2
BRI17
2 1
2 112 (
SHIELDED)
(
SHIELDED)
(
SHIELDED)
BRL B±WW
B±R B±RBR L
CAMSHAFT POSITION
SENSOR NO. 1
CAMSHAFT POSITION
SENSOR NO. 2CRANKSHAFT POSITION
SENSOR C1
C2 C3 O
O
BR
BR
BR E16R
TO TRACTION
ECU
(
A/T)(
A/T)
A 16II1 29
B±W B±W
TACO
FROM COMBINATION
METER

82
ENGINE CONTROL (FOR 2JZ±GE)
THE ENGINE CONTROL SYSTEM UTILIZES A MICROCOMPUTER AND MAINTAINS OVERALL CONTROL OF THE ENGINE,
TRANSMISSION ETC. AN OUTLINE OF THE ENGINE CONTROL IS GIVEN HERE.
1. INPUT SIGNALS
(1) ENGINE COOLANT TEMP. (WATER TEMP.) SIGNAL CIRCUIT
THE ENGINE COOLANT TEMP. SENSOR (EFI WATER TEMP. SENSOR) DETECTS THE ENGINE COOLANT TEMP. (WATER TEMP.)
AND HAS A BUILT±IN THERMISTOR WITH A RESISTANCE, WHICH VARIES ACCORDING TO THE ENGINE COOLANT TEMP.
(WATER TEMP.) WHICH IS INPUT INTO TERMINAL THW OF THE ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY
CONTROLLED TRANSMISSION ECU) AS A CONTROL SIGNAL.
(2) INTAKE AIR TEMP. SIGNAL CIRCUIT
THE INTAKE AIR TEMP. SENSOR IS INSTALLED IN THE VOLUME AIR FLOW (AIR FLOW METER) AND DETECTS THE INTAKE AlR
TEMP. WHICH IS INPUT AS A CONTROL SIGNAL TO TERMINAL THA OF THE ENGINE CONTROL MODULE (ENGINE AND
ELECTRONICALLY CONTROLLED TRANSMISSION ECU).
(3) OXYGEN DENSITY SIGNAL CIRCUIT
(EXCEPT CALIFORNIA)
THE OXYGEN DENSITY IN THE EXHAUST EMISSION IS DETECTED BY THE OXYGEN SENSOR FRONT AND REAR SIDE AND
INPUT AS A CONTROL SIGNAL TO TERMINALS OX1, OX2 OF THE ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY
CONTROLLED TRANSMISSION ECU).
(FOR CALIFORNIA)
THE OXYGEN DENSITY IN THE EXHAUST EMISSION IS DETECTED BY THE HEATED OXYGEN SENSOR FRONT AND REAR SIDE
AND INPUT AS A CONTROL SIGNAL TO TERMINALS OX1, OX2, OX3 OF THE ENGINE CONTROL MODULE (ENGINE AND
ELECTRONICALLY CONTROLLED TRANSMISSION ECU).
(4) RPM SIGNAL CIRCUIT
CRANKSHAFT POSITION IS DETECTED BY THE PICK±UP COIL INSTALLED INSIDE THE DISTRIBUTOR. CRANKSHAFT POSITION
IS INPUT AS A CONTROL SIGNAL TO TERMINALS G1 AND G2 OF THE ENGINE CONTROL MODULE (ENGINE AND
ELECTRONICALLY CONTROLLED TRANSMISSION ECU), AND ENGINE SPEED IS INPUT TO TERMINAL NE.
(5) THROTTLE POSITION SIGNAL CIRCUIT
THE THROTTLE POSITION SENSOR DETECTS THE THROTTLE VALVE OPENING ANGLE AS A CONTROL SIGNAL, WHICH IS
INPUT INTO TERMINAL VTA1 OF THE ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED
TRANSMISSION ECU). WHEN THE VALVE IS COMPLETELY CLOSED, THE CONTROL SIGNAL IS INPUT INTO TERMINAL IDL1.
(6) VEHICLE SPEED CIRCUIT
THE VEHICLE SPEED IS DETECTED BY VEHICLE SPEED SENSOR (SPEED SENSOR) NO.1 INSTALLED IN THE TRANSMISSION
AND THE SIGNAL IS INPUT TO TERMINAL SP1 OF THE ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY
CONTROLLED TRANSMISSION ECU) VIA THE COMBINATION METER.
(7) NEUTRAL POSITION SIGNAL CIRCUIT
THE PARK/NEUTRAL POSITION SW (NEUTRAL START SW) DETECTS WHETHER THE SHIFT POSITION IS IN ªNº OR ªPº OR NOT,
AND THE SIGNAL IS INPUT INTO TERMINAL NSW OF THE ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY
CONTROLLED TRANSMISSION ECU).
(8) A/C SW SIGNAL CIRCUIT
THE OPERATING VOLTAGE OF THE A/C MAGNETIC CLUTCH IS DETECTED AND THE SIGNAL IS INPUT INTO TERMINAL ACMG
OF ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU) AS A CONTROL SIGNAL.
(9) BATTERY SIGNAL CIRCUIT
VOLTAGE IS CONSTANTLY APPLIED TO TERMINAL BATT OF THE ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY
CONTROLLED TRANSMISSION ECU). WITH THE IGNITION SW TURNED ON, THE VOLTAGE FOR ENGINE CONTROL MODULE
(ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU) START±UP POWER SUPPLY IS APPLIED TO TERMINALS
+B OF THE ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU) VIA EFI MAIN
RELAY.
THE CURRENT FLOWING THROUGH THE IGN FUSE FLOWS TO TERMINAL IGSW OF THE ENGINE CONTROL MODULE (ENGINE
AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU).
(10) INTAKE AIR VOLUME SIGNAL CIRCUIT
INTAKE AIR VOLUME IS DETECTED BY THE VOLUME AIR FLOW (AIR FLOW METER) AND THE SIGNAL IS INPUT TO TERMINAL
KS OF THE ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU) AS A CONTROL
SIGNAL.
(11) STOP LIGHT SW SIGNAL CIRCUIT
THE STOP LIGHT SW IS USED TO DETECT WHETHER THE VEHICLE IS BRAKING OR NOT AND THE SIGNAL IS INPUT INTO
TERMINAL STP OF THE ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU) AS
A CONTROL SIGNAL.
(12) STARTER SIGNAL CIRCUIT
TO CONFIRM WHETHER THE ENGINE IS CRANKING, THE VOLTAGE IS APPLIED TO THE STARTER MOTOR DURING CRANKING
IS DETECTED AND THE SIGNAL IS INPUT INTO TERMINAL STA OF THE ENGINE CONTROL MODULE (ENGINE AND
ELECTRONICALLY CONTROLLED TRANSMISSION ECU) AS A CONTROL SIGNAL.
SYSTEM OUTLINE